Re: [PATCH] staging: lustre: o2iblnd: Fix crash in kiblnd_handle_early_rxs()

From: kbuild test robot
Date: Thu May 10 2018 - 13:40:06 EST

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In reply to: Doug Oucharek: "[PATCH] staging: lustre: o2iblnd: Fix crash in kiblnd_handle_early_rxs()"
Next in thread: kbuild test robot: "Re: [PATCH] staging: lustre: o2iblnd: Fix crash in kiblnd_handle_early_rxs()"
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Hi Doug,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on staging/staging-testing]
[also build test ERROR on v4.17-rc4 next-20180510]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Doug-Oucharek/staging-lustre-o2iblnd-Fix-crash-in-kiblnd_handle_early_rxs/20180511-004953
config: i386-randconfig-x078-201818 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
# save the attached .config to linux build tree
make ARCH=i386

All error/warnings (new ones prefixed by >>):

In file included from include/linux/kernel.h:10:0,
from include/linux/list.h:9,
from include/linux/module.h:9,
from drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h:38,
from drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:38:
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c: In function 'kiblnd_handle_early_rxs':
>> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:1975:5: error: 'kib_rx_t' undeclared (first use in this function); did you mean 'kib_rx'?
kib_rx_t, rx_list);
^
include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:962:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:962:20: note: in expansion of macro '__same_type'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
include/linux/list.h:366:2: note: in expansion of macro 'container_of'
container_of(ptr, type, member)
^~~~~~~~~~~~
>> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:1974:8: note: in expansion of macro 'list_entry'
rx = list_entry(conn->ibc_early_rxs.next,
^~~~~~~~~~
drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:1975:5: note: each undeclared identifier is reported only once for each function it appears in
kib_rx_t, rx_list);
^
include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:962:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:962:20: note: in expansion of macro '__same_type'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
include/linux/list.h:366:2: note: in expansion of macro 'container_of'
container_of(ptr, type, member)
^~~~~~~~~~~~
>> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:1974:8: note: in expansion of macro 'list_entry'
rx = list_entry(conn->ibc_early_rxs.next,
^~~~~~~~~~
>> include/linux/kernel.h:962:48: error: expected expression before ')' token
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:962:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:962:20: note: in expansion of macro '__same_type'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
include/linux/list.h:366:2: note: in expansion of macro 'container_of'
container_of(ptr, type, member)
^~~~~~~~~~~~
>> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:1974:8: note: in expansion of macro 'list_entry'
rx = list_entry(conn->ibc_early_rxs.next,
^~~~~~~~~~
In file included from include/linux/list.h:9:0,
from include/linux/module.h:9,
from drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h:38,
from drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:38:
include/linux/kernel.h:965:10: error: expected expression before ')' token
((type *)(__mptr - offsetof(type, member))); })
^
include/linux/list.h:366:2: note: in expansion of macro 'container_of'
container_of(ptr, type, member)
^~~~~~~~~~~~
>> drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c:1974:8: note: in expansion of macro 'list_entry'
rx = list_entry(conn->ibc_early_rxs.next,
^~~~~~~~~~
--
In file included from include/linux/kernel.h:10:0,
from include/linux/list.h:9,
from include/linux/module.h:9,
from drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd.h:38,
from drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd_cb.c:38:
drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd_cb.c: In function 'kiblnd_handle_early_rxs':
drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd_cb.c:1975:5: error: 'kib_rx_t' undeclared (first use in this function); did you mean 'kib_rx'?
kib_rx_t, rx_list);
^
include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:962:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:962:20: note: in expansion of macro '__same_type'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
include/linux/list.h:366:2: note: in expansion of macro 'container_of'
container_of(ptr, type, member)
^~~~~~~~~~~~
drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd_cb.c:1974:8: note: in expansion of macro 'list_entry'
rx = list_entry(conn->ibc_early_rxs.next,
^~~~~~~~~~
drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd_cb.c:1975:5: note: each undeclared identifier is reported only once for each function it appears in
kib_rx_t, rx_list);
^
include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:962:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:962:20: note: in expansion of macro '__same_type'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
include/linux/list.h:366:2: note: in expansion of macro 'container_of'
container_of(ptr, type, member)
^~~~~~~~~~~~
drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd_cb.c:1974:8: note: in expansion of macro 'list_entry'
rx = list_entry(conn->ibc_early_rxs.next,
^~~~~~~~~~
>> include/linux/kernel.h:962:48: error: expected expression before ')' token
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^
include/linux/compiler.h:316:19: note: in definition of macro '__compiletime_assert'
bool __cond = !(condition); \
^~~~~~~~~
include/linux/compiler.h:339:2: note: in expansion of macro '_compiletime_assert'
_compiletime_assert(condition, msg, __compiletime_assert_, __LINE__)
^~~~~~~~~~~~~~~~~~~
include/linux/build_bug.h:45:37: note: in expansion of macro 'compiletime_assert'
#define BUILD_BUG_ON_MSG(cond, msg) compiletime_assert(!(cond), msg)
^~~~~~~~~~~~~~~~~~
include/linux/kernel.h:962:2: note: in expansion of macro 'BUILD_BUG_ON_MSG'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~~~~~~
include/linux/kernel.h:962:20: note: in expansion of macro '__same_type'
BUILD_BUG_ON_MSG(!__same_type(*(ptr), ((type *)0)->member) && \
^~~~~~~~~~~
include/linux/list.h:366:2: note: in expansion of macro 'container_of'
container_of(ptr, type, member)
^~~~~~~~~~~~
drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd_cb.c:1974:8: note: in expansion of macro 'list_entry'
rx = list_entry(conn->ibc_early_rxs.next,
^~~~~~~~~~
In file included from include/linux/list.h:9:0,
from include/linux/module.h:9,
from drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd.h:38,
from drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd_cb.c:38:
include/linux/kernel.h:965:10: error: expected expression before ')' token
((type *)(__mptr - offsetof(type, member))); })
^
include/linux/list.h:366:2: note: in expansion of macro 'container_of'
container_of(ptr, type, member)
^~~~~~~~~~~~
drivers/staging/lustre//lnet/klnds/o2iblnd/o2iblnd_cb.c:1974:8: note: in expansion of macro 'list_entry'
rx = list_entry(conn->ibc_early_rxs.next,
^~~~~~~~~~

vim +1975 drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd_cb.c

1962
1963 static void
1964 kiblnd_handle_early_rxs(struct kib_conn *conn)
1965 {
1966 unsigned long flags;
1967 struct kib_rx *rx;
1968
1969 LASSERT(!in_interrupt());
1970 LASSERT(conn->ibc_state >= IBLND_CONN_ESTABLISHED);
1971
1972 write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
1973 while (!list_empty(&conn->ibc_early_rxs)) {
> 1974 rx = list_entry(conn->ibc_early_rxs.next,
> 1975 kib_rx_t, rx_list);
1976 list_del(&rx->rx_list);
1977 write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
1978
1979 kiblnd_handle_rx(rx);
1980
1981 write_lock_irqsave(&kiblnd_data.kib_global_lock, flags);
1982 }
1983 write_unlock_irqrestore(&kiblnd_data.kib_global_lock, flags);
1984 }
1985

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Next message: Mauro Carvalho Chehab: "Re: [PATCH 13/18] wait: wait.h: Get rid of a kernel-doc/Sphinx warnings"
Previous message: Kirill A. Shutemov: "[PATCH 1/2] x86/boot/compressed/64: Set up GOT for paging_prepare() and cleanup_trampoline()"
In reply to: Doug Oucharek: "[PATCH] staging: lustre: o2iblnd: Fix crash in kiblnd_handle_early_rxs()"
Next in thread: kbuild test robot: "Re: [PATCH] staging: lustre: o2iblnd: Fix crash in kiblnd_handle_early_rxs()"
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